Change WordPress user roles and capabilities › Forums › Bug Reports › Can’t add categories to post › Reply To: Can’t add categories to post
15/06/2022 at 13:14 #7969
Excuse for delay with response.
If this is still actual, there is a plugin “Press This“. I suppose that ID ‘press-this-add-category’ may be related to the plugin above. If you has such active plugin, try deactivate it and test.